<?php

class TeacherController extends Controller
{
    public $chooseName = 'Teacher Manage';
	/**
	 * @var string the default layout for the views. Defaults to '//layouts/column2', meaning
	 * using two-column layout. See 'protected/views/layouts/column2.php'.
	 */
	public $layout='//layouts/column3';

	/**
	 * @return array action filters
	 */
	public function filters()
	{
		return array(
			'accessControl', // perform access control for CRUD operations
			'postOnly + delete', // we only allow deletion via POST request
		);
	}

	/**
	 * Specifies the access control rules.
	 * This method is used by the 'accessControl' filter.
	 * @return array access control rules
	 */
	public function accessRules()
	{
		return array(
	/*		array('allow',  // allow all users to perform 'index' and 'view' actions
				'actions'=>array('index','view'),
				'users'=>array('*'),
			),
			array('allow', // allow authenticated user to perform 'create' and 'update' actions
				'actions'=>array('create','update','admin'),
				'users'=>array('@'),
			),
			array('deny',  // deny all users
				'users'=>array('*'),
            ),*/
		);
	}

	/**
	 * Displays a particular model.
	 * @param integer $id the ID of the model to be displayed
	 */
	public function actionView($id)
	{
		$this->render('view',array(
			'model'=>$this->loadModel($id),
		));
	}

	/**
	 * Creates a new model.
	 * If creation is successful, the browser will be redirected to the 'view' page.
	 */
	public function actionCreate()
	{
		$model=new Teacher;

		// Uncomment the following line if AJAX validation is needed
		// $this->performAjaxValidation($model);

		if(isset($_POST['Teacher']))
		{
			$model->attributes=$_POST['Teacher'];
            $user = User::model()->findByAttributes(array('user_name'=>$model->user_id));
            $model->user_id = $user->user_id;
			if($model->save())
				$this->redirect(array('view','id'=>$model->teacher_id));
		}

		$this->render('create',array(
			'model'=>$model,
		));
	}
    public function actionCreateLevel()
	{
		$model=new DisplayLevel;

		// Uncomment the following line if AJAX validation is needed
		// $this->performAjaxValidation($model);

		if(isset($_POST['DisplayLevel']))
		{
			$model->attributes=$_POST['DisplayLevel'];
			if($model->save())
				$this->redirect(array('admin'));
		}

		$this->render('createlevel',array(
			'model'=>$model,
		));
	}
    public function actionDeleteLevel($id)
    {
        $model = $this->loadLevelModel($id);
        $model->delete();
        if(!isset($_GET['ajax']))
            $this->redirect(array('admin'));
    }
     public function loadLevelModel($id)
    {
        $model=DisplayLevel::model()->findByPk($id);
        if($model===null)
            throw new CHttpException(404,'The requested page does not exist.');
        return $model;
    }
 
	/**
	 * Updates a particular model.
	 * If update is successful, the browser will be redirected to the 'view' page.
	 * @param integer $id the ID of the model to be updated
	 */
	public function actionUpdate($id)
	{
		$model=$this->loadModel($id);

		// Uncomment the following line if AJAX validation is needed
		// $this->performAjaxValidation($model);

		if(isset($_POST['Teacher']))
		{
			$model->attributes=$_POST['Teacher'];
            $user = User::model()->findByAttributes(array('user_name'=>$model->user_id));
            $model->user_id = $user->user_id;

			if($model->save())
				$this->redirect(array('view','id'=>$model->teacher_id));
		}

		$this->render('update',array(
			'model'=>$model,
		));
	}

	/**
	 * Deletes a particular model.
	 * If deletion is successful, the browser will be redirected to the 'admin' page.
	 * @param integer $id the ID of the model to be deleted
	 */
	public function actionDelete($id)
	{
		$this->loadModel($id)->delete();

		// if AJAX request (triggered by deletion via admin grid view), we should not redirect the browser
		if(!isset($_GET['ajax']))
			$this->redirect(isset($_POST['returnUrl']) ? $_POST['returnUrl'] : array('admin'));
	}

	/**
	 * Lists all models.
	 */
	public function actionIndex()
	{
		$dataProvider=new CActiveDataProvider('Teacher');
		$this->render('index',array(
			'dataProvider'=>$dataProvider,
		));
	}

	/**
	 * Manages all models.
	 */
	public function actionAdmin()
	{
        $displayModel=new DisplayLevel('search');
        $displayModel->unsetAttributes();  // clear any default values
        if(isset($_GET['DisplayLevel']))
            $displayModel->attributes=$_GET['DisplayLevel'];

		$model=new Teacher('search');
		$model->unsetAttributes();  // clear any default values
		if(isset($_GET['Teacher']))
			$model->attributes=$_GET['Teacher'];

		$this->render('admin',array(
			'model'=>$model,
            'displayModel'=>$displayModel,
		));
	}

	/**
	 * Returns the data model based on the primary key given in the GET variable.
	 * If the data model is not found, an HTTP exception will be raised.
	 * @param integer $id the ID of the model to be loaded
	 * @return Teacher the loaded model
	 * @throws CHttpException
	 */
	public function loadModel($id)
	{
		$model=Teacher::model()->findByPk($id);
		if($model===null)
			throw new CHttpException(404,'The requested page does not exist.');
		return $model;
	}

	/**
	 * Performs the AJAX validation.
	 * @param Teacher $model the model to be validated
	 */
	protected function performAjaxValidation($model)
	{
		if(isset($_POST['ajax']) && $_POST['ajax']==='teacher-form')
		{
			echo CActiveForm::validate($model);
			Yii::app()->end();
		}
	}
        
                    public function actionManageCourse($id)
                    {
                        $course = new Course('search');
                        $course->unsetAttributes();
                        
                        $teacher = Teacher::model()->findByPk($id);
                        
                        if (isset($_GET['Course']))
                        {
                            $course->attributes = $_GET['Course'];
                        }
                        
                        if (isset($_POST['data']))
                        {
                           $model = CourseTeacher::model()->findAll('teacher_id=:tid', array(':tid'=>$id));
                           $datas = $_POST['data'];

                           $i = 0;
                           CourseTeacher::model()->updateAll(array('status'=>0),'teacher_id=:tid', array(':tid'=>$id));
                           
                           foreach ($datas as $data)
                            {
                                $j = 0;
                               
                                foreach ($model as $m)
                                {
                                    if ($m->course_id == $data)
                                   {
                                       $m->status = 1;
                                       $m->save();
                                       
                                       unset($model[$j]);
                                       unset($datas[$i]);
                                   }
                                   $j++;
                                }
                               $i++;
                            }
//                            print_r($datas);die;
                            foreach ($datas as $data)
                            {
                                    $m = new CourseTeacher;
                                    $m->course_id = $data;
                                    $m->teacher_id = $id;
                                    $m->status = 1;
                                    $m->save();
                            }
                            
                           echo "操作成功!";
                           return;
                        }
                        
                        $this->render('manageCourse', array(
                                'course' => $course,
                                'teacher' => $teacher,
                        ));
                    }
}
